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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185203679 (SMSS J172805.74-202128.3)

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Data releaseDR4
RA (deg)262.0240
Dec (deg)-20.3579
Galactic lon. (deg)5.1481
Galactic lat. (deg)7.9411
E(B-V) (SFD98) (mag)0.750
E(B-V) (GNILC) (mag)0.609 ± 0.030
Nearest DR4 source 185203680 (4.1 arcs away)
2nd-nearest DR4 source 185203676 (8.4 arcs away)
3rd-nearest DR4 source 185203616 (10.6 arcs away)
Times observed4
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 18.616 ± 0.046 18.275 ± 0.090
Petrosian mag. 18.359 ± 0.194 18.091 ± 0.142

2 x 2 arcmin

Image cutouts

See all image cutouts for this object here.
Images shown are the best images available from DR4, as determined by their coverage and approximate photometric zero-point.

Photometry measurements

Filter Image ID Magnitude (APC05) Flags Exp time (s) Image Quality
(1=best to 3)
i 20150901084153 18.691 ± 0.103 3,0 100 2
i 20150901084554 18.599 ± 0.093 1,0 100 2
z 20150901084353 18.444 ± 0.138 1,0 100 2
z 20190505170726 18.310 ± 0.139 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.16 3.13
GAIA source ID 4121065517641709312 4121065517650470784
Bp mag. 19.808 20.985
G mag. 19.142 20.250
Rp mag. 18.259 19.457
Bp/Rp excess 1.342 1.243
Parallax (mas) -0.648 ± 0.342 -2.000 ± 0.812
PM RA (mas/yr) -2.046 ± 0.399 -5.080 ± 0.915
PM Dec (mas/yr) -3.513 ± 0.278 -6.081 ± 0.650
A.E.N. (mas) 0.693 ± 1.319 0.768 ± 0.246

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 19.222 ± 0.006
i -- ± --
z -- ± --
Y -- ± --
J 17.015 ± 0.027
H -- ± --
K 16.448 ± 0.063
W1 -- ± --
W2 -- ± --
W3 -- ± --
W4 -- ± --
1Magnitude sources
FUV/NUV: AB mag (calibrated) from GALEX
ugriz: AB mag (Kron) from NOAO Source Catalog
YJHK: Vega mag from VISTA (2" aperture) or 2MASS PSC
W1-W4: Vega mag from CatWISE2020 or AllWISE (profile mag). No error value means the stated value is an upper limit.